Home / 654,381.78-981,594.55-181,027.50

Finding the Fourth Proportional to 654,381.78, 981,594.55 and 181,027.50

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Solution

The fourth proportional to 654,381.78, 981,594.55 and 181,027.50 is: 271,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,381.78 : 981,594.55 = 181,027.50 : x
  2. Step 2: Convert to fraction form
    654,381.78/981,594.55 = 181,027.50/x
  3. Step 3: Cross multiply
    654,381.78x = 981,594.55 × 181,027.50
  4. Step 4: Simplify right side
    654,381.78x = 177,695,607,400.13
  5. Step 5: Solve for x
    x = 177,695,607,400.13/654,381.78
  6. Step 6: Final answer
    x = 271,547.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.